Associative Reasoning Activities. A fun way to strengthen students' spelling, vocabulary, and reading! Dr. DooRiddles develops students' fluency and flexibility with word meaning and associations as it improves their spelling, vocabulary, reading and problem solving skills. Methods/Teaching Support: Students carefully read through clues in each riddle, analyzing connections within and between clues to figure out what is being described. Solving the riddles requires students to evaluate homonyms, synonyms, homophones, prefixes, roots, and suffixes in order to deduce and spell whole and partial word answers. Includes practice activities, suggestions and answers. 48 activities. License: reproducible.